121690262 has 16 divisors (see below), whose sum is σ = 187790832. Its totient is φ = 59099040.

The previous prime is 121690259. The next prime is 121690297. The reversal of 121690262 is 262096121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59753 + ... + 61755.

It is an arithmetic number, because the mean of its divisors is an integer number (11736927).

Almost surely, 2^121690262 is an apocalyptic number.

121690262 is a deficient number, since it is larger than the sum of its proper divisors (66100570).

121690262 is a wasteful number, since it uses less digits than its factorization.

121690262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 121690262 is about 11031.3309260488. The cubic root of 121690262 is about 495.5474838949.

The spelling of 121690262 in words is "one hundred twenty-one million, six hundred ninety thousand, two hundred sixty-two".